File:Lobsters awaiting purchase, Trenton, ME IMG_2477.JPG|thumb|Lobsters awaiting purchase in Trenton, Maine|Trenton in Hancock County, Maine|Hancock County, Maine
Clawed '''lobsters''' comprise a family (biology)|family
('''Nephropidae''', sometimes also '''Homaridae''') of large marine crustacean
s. They have long bodies with muscular tails, and live in crevices or burrows on the sea floor. Three of their five pairs of legs have claws, including the first pair, which are usually much larger than the others. Highly prized as seafood
, lobsters are economically important, and are often one of the most profitable commodities in coastal areas they populate.
Commercially important species include two species of ''Homarus
'' from the northern Atlantic Ocean, and scampi
– the northern-hemisphere genus ''Nephrops
'' and the southern-hemisphere genus ''Metanephrops
''. Although several other groups of...